DS1722 Dallas, DS1722 Datasheet - Page 11

• Manufacturer Part Number: DS1722
• Description: Digital Thermometer with SPI/3-Wire Interface
• Manufacturer: Dallas

TIMING DIAGRAM: 3-WIRE WRITE DATA TRANSFER Figure 10
AC ELECTRICAL CHARACTERISTICS: SPI Interface
TIMING DIAGRAM: SPI READ DATA TRANSFER Figure 11
*I/O is SDI and SDO tied together.
Data to SCLK Setup
SCLK to Data Hold
SCLK to Data Valid
SCLK Low Time
SCLK High Time
SCLK Frequency
SCLK Rise and Fall
CE to SCLK Setup
SCLK to CE Hold
CE Inactive Time
CE to Output High Z
PARAMETER
SYMBOL
t
t
t
t
t
t
t
R
t
t
CWH
CDH
CDD
t
t
CLK
CCH
CDZ
DC
CH
CC
CL
, t
F
CONDITION
11 of 13
(-55 C to +120 C, 2.65V = = = = V
MIN
100
100
400
100
400
DC
35
35
TYP MAX
200
5.0
80
40
UNITS
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
DD
NOTES
= = = = 5.5V)
5, 6, 7
DS1722
5, 6
5, 6
5, 6
6
6
6
6
6
6